/* Hallmark · genre: modern-minimal · macrostructure: Narrative Workflow · theme: Coral
 * enrichment: none (typography only) · nav: N5 floating pill · footer: Ft2 inline single line
 * tone: utilitarian · audience: 台灣中小企業採購／IT 負責人 · use: 送出一則採購詢價
 * pre-emit critique: P4 H5 E4 S4 R5 V4
 */
@import url('tokens.css');

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  overflow-x: clip;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-style: normal;
  overflow-wrap: anywhere;
  text-wrap: balance;
  line-break: strict;
  min-width: 0;
  margin: 0;
}

p {
  margin: 0;
}

a {
  color: inherit;
}

:where(a, button, summary):focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.shell {
  width: 100%;
  max-width: 68rem;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.skip {
  position: absolute;
  left: -9999px;
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-pill);
  background: var(--color-ink);
  color: var(--color-on-ink);
  text-decoration: none;
}
.skip:focus {
  position: fixed;
  left: var(--space-md);
  top: var(--space-md);
  z-index: var(--z-nav);
}

/* --- N5 floating pill nav ------------------------------------------- */
.nav {
  position: sticky;
  top: var(--space-sm);
  z-index: var(--z-nav);
  padding-top: var(--space-sm);
}

.nav__pill {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  width: fit-content;
  max-width: 100%;
  margin-inline: auto;
  padding: var(--space-2xs) var(--space-2xs) var(--space-2xs) var(--space-md);
  background: var(--color-card);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-pill);
}

.wordmark {
  display: inline-block;
  padding-block: 0.6rem;
  line-height: 1.6;
  font-family: var(--font-wordmark);
  font-weight: 600;
  font-size: var(--text-md);
  letter-spacing: -0.015em;
  text-decoration: none;
  white-space: nowrap;
}
.wordmark b {
  color: var(--color-accent-ink);
  font-weight: inherit;
}

.nav__links {
  display: flex;
  gap: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-muted);
}
.nav__links a {
  text-decoration: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  border-bottom: var(--rule-hair) solid transparent;
  transition: color var(--dur-short) var(--ease-out);
}
.nav__links a:hover {
  color: var(--color-ink);
  border-bottom-color: var(--color-accent);
}

/* --- buttons --------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0 var(--space-md);
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--dur-short) var(--ease-out),
    border-color var(--dur-short) var(--ease-out),
    transform var(--dur-short) var(--ease-out);
}
.btn--solid {
  background: var(--color-ink);
  color: var(--color-on-ink);
  border: var(--rule-hair) solid var(--color-ink);
}
.btn--solid:hover {
  background: var(--color-muted);
  border-color: var(--color-muted);
}
.btn--solid:active {
  transform: translateY(1px);
}
.btn--outline {
  background: transparent;
  color: var(--color-ink);
  border: var(--rule-hair) solid var(--color-neutral);
}
.btn--outline:hover {
  border-color: var(--color-ink);
}
.btn--outline:active {
  transform: translateY(1px);
}
.btn--lg {
  min-height: 3.25rem;
  padding: 0 var(--space-lg);
  font-size: var(--text-base);
}

/* --- hero ------------------------------------------------------------ */
.hero {
  padding-block: clamp(var(--space-2xl), 9vw, var(--space-3xl)) var(--space-2xl);
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
  gap: var(--space-xl);
  align-items: end;
}
.hero h1 {
  font-size: var(--text-display);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.03em;
}
.hero__lede {
  font-size: var(--text-md);
  color: var(--color-muted);
  max-width: 34ch;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}
.hero__meta {
  margin-top: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* --- section frame --------------------------------------------------- */
.section {
  padding-block: var(--space-2xl);
  border-top: var(--rule-hair) solid var(--color-rule);
}
.section--tight {
  padding-block: var(--space-xl);
}
.section__head {
  display: block;
  max-width: 46ch;
  margin-bottom: var(--space-xl);
}
.section__head h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.section__head p {
  margin-top: var(--space-sm);
  color: var(--color-muted);
}

/* --- two services (deliberately unequal tracks) ---------------------- */
.services {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: var(--space-lg);
}
.service {
  padding: var(--space-lg);
  background: var(--color-card);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-lg);
}
.service h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.service p {
  margin-top: var(--space-sm);
  color: var(--color-muted);
}
.service ul {
  margin: var(--space-md) 0 0;
  padding: 0;
  list-style: none;
  font-size: var(--text-sm);
  color: var(--color-muted);
}
.service li {
  padding-block: var(--space-xs);
  border-top: var(--rule-hair) solid var(--color-rule);
}

/* --- three stages (Narrative Workflow spine) ------------------------- */
.stages {
  display: grid;
  gap: 0;
}
.stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-sm);
  padding-block: var(--space-lg);
  border-top: var(--rule-stage) solid var(--color-ink);
}
.stage:last-child {
  border-bottom: var(--rule-stage) solid var(--color-ink);
}
.stage__no {
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-ink);
  font-variant-numeric: tabular-nums;
}
.stage h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.stage p {
  color: var(--color-muted);
  max-width: 60ch;
}

/* --- FAQ (native details, no JS) ------------------------------------- */
.faq {
  border-top: var(--rule-hair) solid var(--color-rule);
}
.faq details {
  border-bottom: var(--rule-hair) solid var(--color-rule);
}
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 3.5rem;
  padding-block: var(--space-md);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 500;
  letter-spacing: -0.01em;
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: '';
  flex: none;
  width: 0.7rem;
  height: 0.7rem;
  border-right: var(--rule-stage) solid var(--color-accent);
  border-bottom: var(--rule-stage) solid var(--color-accent);
  transform: rotate(45deg);
  transition: transform var(--dur-mid) var(--ease-out);
}
.faq details[open] summary::after {
  transform: rotate(225deg);
}
.faq details p {
  padding-bottom: var(--space-md);
  color: var(--color-muted);
  max-width: 62ch;
}

/* --- single enquiry entry -------------------------------------------- */
.enquiry {
  padding: var(--space-xl);
  background: var(--color-paper-2);
  border-radius: var(--radius-lg);
}
.enquiry h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  max-width: 20ch;
}
.enquiry p {
  margin-top: var(--space-md);
  color: var(--color-muted);
  max-width: 52ch;
}
.enquiry .btn {
  margin-top: var(--space-lg);
}
.enquiry__note {
  margin-top: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* --- Ft2 inline single line ------------------------------------------ */
.footer {
  border-top: var(--rule-hair) solid var(--color-rule);
  padding-block: var(--space-lg) var(--space-2xl);
  margin-top: var(--space-2xl);
}
.footer__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-muted);
}
.footer__row a:not(.wordmark) {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  white-space: nowrap;
  text-decoration-color: var(--color-rule-strong);
  text-underline-offset: 0.25em;
}
.footer__row a:hover {
  text-decoration-color: var(--color-accent);
}
.footer__row a:not(.wordmark) {
  text-decoration-line: underline;
}
.footer__tagline {
  flex: 1 1 16rem;
  min-width: 0;
}

/* --- responsive ------------------------------------------------------ */
@media (max-width: 60rem) {
  .hero__grid,
  .services {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero__grid {
    gap: var(--space-lg);
    align-items: start;
  }
  .nav__links {
    display: none;
  }
}

@media (max-width: 40rem) {
  body {
    line-height: 1.7;
  }
  .section {
    padding-block: var(--space-xl);
  }
  .enquiry {
    padding: var(--space-lg);
  }
  .hero__actions .btn {
    flex: 1 1 100%;
  }
  .footer__row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }
  .footer__tagline {
    flex: none;
    padding-block: var(--space-xs) var(--space-sm);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}